York YLAA0195HE, Manual, Page: 128 / 206

JOHNSON CONTROLS
128
FORM 150.72-NM3 (1020)
ISSUE DATE 10/05/2020
SECTION 5 – TECHNICAL DATA
RD-Style
Isolators
MOUNT
TYPE
DIMENSION DATA (INCHES)
L W HF AL AD BT CD DW
RD1-WR 3.13 1.75 1.25 2.38 0.34 0.19
5/16-18 UNC
X 3/4
1.25
RD2-WR 3.88 2.38 1.75 3.00 0.34 0.22 3/8-16 UNC X 1 1.75
RD3-WR 5.50 3.38 2.88 4.13 0.56 0.25 1/2-13 UNC X 1 2.50
RD4-WR 6.25 4.63 2.75 5.00 0.56 0.38 1/2-13 UNC X 1 3.00
VMC PART NUMBER VMC ISOL. COLOR WEIGHT RANGE (LBS) WEIGHT RANGE (KGS)
RD-3-CHARCOAL-WR CHARCOAL Up thru 825 UP TO 374
RD-4-BRICK RED-WR BRICK RED 826 thru 1688 375 - 766
RD-4-CHARCOAL-WR CHARCOAL 1689 thru 4000 767 - 1814
DURALENE ISOLATOR CROSS-REFERENCE
L
AL
DW
BT
HF
ø
AD THRU
TYP 2 PLACES
MOLDED
DURULENE
CD
W
Notes:
1. All dimensions are inches, interpreted per ANSI Y14.
2. Refer to Page 98 for installation instructions.
3. Mount molded in weather resistant duralene compound as standard. Also available in other materials
such as natural rubber, extreme high temperature silicone, high-damped silicone, nitrile and EDPM.
4. AL = Mounting hole center to center spacing.
5. HF = Free height of mount, prior to loading. Operating height calculated by the free height less the
static deflection under load. All dimensions for reference only.
6. Hardware zinc-electroplated.
Refer to next page for installation instructions.
FIG. 56 – DURALENE ISOLATOR CROSS-REFERENCE